'We mustn't walk three abreast, I suppose?' Fred remarked, as they quitted the premises.
'No,' Ping Wang answered. 'It will be better to walk single file. I'll walk in the rear, so that I can keep watch on you, and hurry forward if any of my countrymen speak to you. Don't walk fast.'
Charlie stepped into the street, Fred followed, and Ping Wang brought up the rear. At first Charlie and Fred felt decidedly uncomfortable, and fancied that every one who glanced at them had discovered that they were not Chinamen.
WONDERFUL CAVERNS.
VIII.—THE CAVERNS OF LURAY.
